[Bug 1815187] Re: Fix crash when opening DepCache before Cache

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 1.0.1ubuntu2.20

---------------
apt (1.0.1ubuntu2.20) trusty; urgency=medium

  [ Julian Andres Klode ]
  * Fix crashes in apt search, cache file (LP: #1815187)
  * Clean up some build artifacts and regenerate the po files

  [ Heitor R. Alves de Siqueira ]
  * backport "do not segfault in cache generation on mmap failure"
    (Closes: 803417) (LP: #1815129)

 -- Julian Andres Klode <juliank at ubuntu.com>  Fri, 08 Feb 2019 13:12:26
+0100

** Changed in: apt (Ubuntu Trusty)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1815187

Title:
  Fix crash when opening DepCache before Cache

Status in apt package in Ubuntu:
  Fix Released
Status in apt source package in Trusty:
  Fix Released

Bug description:
  [Impact]
  apt search and probably other code crashes some time, as GetDepCache() in trusty does not call BuildCaches() first.

  [Test case]
  Run apt search -o RootDir=/dev/null foobar, make sure it does not crash.

  [Regression potential]
  There may be some locking implications, as we build caches when opening depcache first, without locks. That said, the same code is in use in all post-trusty releases, and they work fine.

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